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Map of land modified by man in part of the Valencia 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania

Open-File Report 74-117

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Abstract

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Map of land modified by man in part of the Valencia 7 1/2-minute Quadrangle, Allegheny County and vicinity, Pennsylvania
Series title:
Open-File Report
Series number:
74-117
Edition:
-
Year Published:
1974
Language:
ENGLISH
Description:
1 map +2 explanation sheets pasted on 1; scale = 1:24000
Scale:
24000